Add SSH keys and fish config for root user

Vanguard.nix

@@ -20,6 +20,12 @@
 
   services.xserver.displayManager.defaultSession = "steam";
 
+  users.users.root.openssh.authorizedKeys.keys = [
+    "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAII1tJFdbiyJApuVZFvo9E9kjlBwvXZeySqVuS2qGdxha tux@monarch"
+    "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAINI1dWlS16Keil0MGPWmMsBzx8F9ylfz+fRwxUr8/tZ/ ion"
+    "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIGAcvAQ8W71Bn8pdMYst1hoVCmVJ+0h4HBlJzu1C6dwy xenia@Northstar"
+  ];
+
   # Define a user account. Don't forget to set a password with ‘passwd’.
   users.users.xenia = {
     isNormalUser = true;

common.nix

@@ -10,6 +10,7 @@
   home-manager.users.root = { ... }: {
     imports = [
       ./home/env/bash.nix
+      ./home/env/fish.nix
       ./home/env/bat.nix
       ./home/env/starship.nix
       ./home/tui/neovim.nix